Artificial-stone composition



I06. COM POSITIONS,

COATING OR PLASTIC.

I UNITED STATES W Room:

&

aXAMINEEs JOSEPH HOBSON AND HARMON HOBSON, OF GOODSON, MISSOURI.

ARTIFICIAL-STONE COM POSITION.

SPECIFICATION forming part of Letters Patent No. 611,200, datedSeptember 20, 1898.

i Application filed November 30,1897. Serial No. 660,268. (Nospecimens.)

of Portland ement, sand, white lead, and chl rid oi zliwprefemymtxedtogetneran --theproportionof'Portland cement forty-eightper cent; sand lead"ttyvo jp eggjmlid'ehlo'rid of zinc one per cent.

The sand that is used in the stone composition must be thoroughlycleaned and may be substituted by white granite; but ordinarily the sandis employed and is first mixed together with the cement while in aperfectly dry state. The chlorid of zinc and the white lead are mixedtogether in water, and the resulting mixture is then intimately combinedwith the mixed sand and cement, with enough additional water added tomake a thin mor- 3o tar, which is poured into the mold for shaping thetombstone or monument.

An important element of the artificial-stone composition is the whitelead, which not only imparts to the M01- monument a clear whiteappearance, but also serves to toughen the composition and prevent thesame in rafinvefl asprotidin'g m givlng thetondb tone or monument theappearance of being shaped from natural 40 marble.

Having thus described the invention, what is claimed, and desired to besecured by Letters Patent, is

An artificial-stone composition, composed 4 5 of Portland cement, sand,white lead and ntrtoiid ohincpsubstantiailyas describdfimtstimonythatwemaim tneroregoingas our own We have hereto affixed oursignatures in the presence of two witnesses.

JOSEPH HOBSON. HARMON HOBSON.

a. kn

Witnesses:

W. G. DRAKE, T. O. Boomer.

Utley, 556 6'75 ,Feb 25,1886, Class 106 ,Ornament a1 Budd, 178,904.,3une20, 1876, Glass,0rnamen Conroy et a1.,296,744, Dec.25, 1885,

"515,188, A r.'7,1ee5,

tation.

